Finding the Fourth Proportional to 124,187.84, 186,283.68 and 69,133.76
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Solution
The fourth proportional to 124,187.84, 186,283.68 and 69,133.76 is: 103,701.71
Step by Step Solution
- Step 1: Write the proportion equation
124,187.84 : 186,283.68 = 69,133.76 : x - Step 2: Convert to fraction form
124,187.84/186,283.68 = 69,133.76/x - Step 3: Cross multiply
124,187.84x = 186,283.68 × 69,133.76 - Step 4: Simplify right side
124,187.84x = 12,878,491,225.04 - Step 5: Solve for x
x = 12,878,491,225.04/124,187.84 - Step 6: Final answer
x = 103,701.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.